Warning: Permanently added '10.128.10.9' (ED25519) to the list of known hosts.
2025/12/14 21:21:59 parsed 1 programs
[ 283.489519][ T28] audit: type=1400 audit(1765747319.941:64): avc: denied { node_bind } for pid=283 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1
[ 283.510321][ T28] audit: type=1400 audit(1765747319.941:65): avc: denied { module_request } for pid=283 comm="syz-execprog" kmod="net-pf-2-proto-262-type-1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1
[ 284.647437][ T28] audit: type=1400 audit(1765747321.101:66): avc: denied { mounton } for pid=292 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1
[ 284.649276][ T292] cgroup: Unknown subsys name 'net'
[ 284.670133][ T28] audit: type=1400 audit(1765747321.101:67): avc: denied { mount } for pid=292 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[ 284.697572][ T28] audit: type=1400 audit(1765747321.121:68): avc: denied { unmount } for pid=292 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[ 284.697927][ T292] cgroup: Unknown subsys name 'devices'
[ 284.839331][ T292] cgroup: Unknown subsys name 'hugetlb'
[ 284.844946][ T292] cgroup: Unknown subsys name 'rlimit'
[ 284.960030][ T28] audit: type=1400 audit(1765747321.411:69): avc: denied { setattr } for pid=292 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=258 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
[ 284.983336][ T28] audit: type=1400 audit(1765747321.411:70): avc: denied { create } for pid=292 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 284.995499][ T294] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped).
[ 285.003967][ T28] audit: type=1400 audit(1765747321.411:71): avc: denied { write } for pid=292 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 285.032542][ T28] audit: type=1400 audit(1765747321.411:72): avc: denied { read } for pid=292 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
Setting up swapspace version 1, size = 127995904 bytes
[ 285.052845][ T28] audit: type=1400 audit(1765747321.411:73): avc: denied { mounton } for pid=292 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1
[ 285.080972][ T292] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 285.829633][ T296] request_module fs-gadgetfs succeeded, but still no fs?
[ 286.034764][ T310] bridge0: port 1(bridge_slave_0) entered blocking state
[ 286.042027][ T310] bridge0: port 1(bridge_slave_0) entered disabled state
[ 286.049549][ T310] device bridge_slave_0 entered promiscuous mode
[ 286.056523][ T310] bridge0: port 2(bridge_slave_1) entered blocking state
[ 286.063591][ T310] bridge0: port 2(bridge_slave_1) entered disabled state
[ 286.071018][ T310] device bridge_slave_1 entered promiscuous mode
[ 286.097350][ T305] syz-executor (305) used greatest stack depth: 22048 bytes left
[ 286.136310][ T310] bridge0: port 2(bridge_slave_1) entered blocking state
[ 286.143395][ T310] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 286.150724][ T310] bridge0: port 1(bridge_slave_0) entered blocking state
[ 286.157805][ T310] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 286.179739][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 286.187973][ T43] bridge0: port 1(bridge_slave_0) entered disabled state
[ 286.195216][ T43] bridge0: port 2(bridge_slave_1) entered disabled state
[ 286.204489][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 286.212779][ T43] bridge0: port 1(bridge_slave_0) entered blocking state
[ 286.219861][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 286.229571][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 286.237866][ T43] bridge0: port 2(bridge_slave_1) entered blocking state
[ 286.244919][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 286.257890][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 286.267201][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 286.283139][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 286.295036][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 286.303437][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 286.311529][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 286.320786][ T310] device veth0_vlan entered promiscuous mode
[ 286.332151][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 286.341484][ T310] device veth1_macvtap entered promiscuous mode
[ 286.351283][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 286.362530][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
2025/12/14 21:22:03 executed programs: 0
[ 287.198784][ T8] device bridge_slave_1 left promiscuous mode
[ 287.204917][ T8] bridge0: port 2(bridge_slave_1) entered disabled state
[ 287.212548][ T8] device bridge_slave_0 left promiscuous mode
[ 287.218909][ T8] bridge0: port 1(bridge_slave_0) entered disabled state
[ 287.227402][ T8] device veth1_macvtap left promiscuous mode
[ 287.233491][ T8] device veth0_vlan left promiscuous mode
[ 287.334544][ T364] bridge0: port 1(bridge_slave_0) entered blocking state
[ 287.341622][ T364] bridge0: port 1(bridge_slave_0) entered disabled state
[ 287.349446][ T364] device bridge_slave_0 entered promiscuous mode
[ 287.356660][ T364] bridge0: port 2(bridge_slave_1) entered blocking state
[ 287.363817][ T364] bridge0: port 2(bridge_slave_1) entered disabled state
[ 287.371328][ T364] device bridge_slave_1 entered promiscuous mode
[ 287.422607][ T364] bridge0: port 2(bridge_slave_1) entered blocking state
[ 287.429672][ T364] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 287.436996][ T364] bridge0: port 1(bridge_slave_0) entered blocking state
[ 287.444059][ T364] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 287.464774][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 287.472459][ T43] bridge0: port 1(bridge_slave_0) entered disabled state
[ 287.479749][ T43] bridge0: port 2(bridge_slave_1) entered disabled state
[ 287.488757][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 287.498345][ T43] bridge0: port 1(bridge_slave_0) entered blocking state
[ 287.505389][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 287.514602][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 287.523086][ T43] bridge0: port 2(bridge_slave_1) entered blocking state
[ 287.530143][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 287.544330][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 287.553930][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 287.569001][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 287.582414][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 287.590497][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 287.598049][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 287.606177][ T364] device veth0_vlan entered promiscuous mode
[ 287.617273][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 287.626393][ T364] device veth1_macvtap entered promiscuous mode
[ 287.635877][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 287.645697][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 287.673205][ T375] loop2: detected capacity change from 0 to 1024
[ 287.679995][ T375] =======================================================
[ 287.679995][ T375] WARNING: The mand mount option has been deprecated and
[ 287.679995][ T375] and is ignored by this kernel. Remove the mand
[ 287.679995][ T375] option from the mount to silence this warning.
[ 287.679995][ T375] =======================================================
[ 287.714991][ T375] EXT4-fs: Ignoring removed oldalloc option
[ 287.721091][ T375] EXT4-fs: Ignoring removed orlov option
[ 287.738964][ T375] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
[ 289.106807][ C0] sched: RT throttling activated
[ 302.746094][ T381] bridge0: port 1(bridge_slave_0) entered blocking state
[ 302.753709][ T381] bridge0: port 1(bridge_slave_0) entered disabled state
[ 302.761479][ T381] device bridge_slave_0 entered promiscuous mode
[ 302.768804][ T381] bridge0: port 2(bridge_slave_1) entered blocking state
[ 302.775895][ T381] bridge0: port 2(bridge_slave_1) entered disabled state
[ 302.783664][ T381] device bridge_slave_1 entered promiscuous mode
[ 302.854345][ T381] bridge0: port 2(bridge_slave_1) entered blocking state
[ 302.861609][ T381] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 302.868921][ T381] bridge0: port 1(bridge_slave_0) entered blocking state
[ 302.875968][ T381] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 302.902771][ T10] bridge0: port 1(bridge_slave_0) entered disabled state
[ 302.911083][ T10] bridge0: port 2(bridge_slave_1) entered disabled state
[ 302.918883][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 302.926672][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 302.943313][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 302.951647][ T10] bridge0: port 1(bridge_slave_0) entered blocking state
[ 302.958815][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 302.967400][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 302.975660][ T10] bridge0: port 2(bridge_slave_1) entered blocking state
[ 302.982737][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 302.997984][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 303.006319][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 303.021790][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 303.034538][ T381] device veth0_vlan entered promiscuous mode
[ 303.041319][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 303.050269][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 303.058361][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 303.072513][ T381] device veth1_macvtap entered promiscuous mode
[ 303.080178][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 303.093080][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
2025/12/14 21:22:19 executed programs: 3
[ 303.103149][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 303.131532][ T391] loop3: detected capacity change from 0 to 1024
[ 303.147396][ T391] EXT4-fs: Ignoring removed oldalloc option
[ 303.153344][ T391] EXT4-fs: Ignoring removed orlov option
[ 303.182894][ T391] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback.
[ 403.206770][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 403.213774][ C1] (detected by 1, t=10002 jiffies, g=1549, q=992 ncpus=2)
[ 403.220997][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294977529-4294967526), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 403.234391][ C1] rcu: rcu_preempt kthread starved for 10004 jiffies! g1549 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[ 403.245513][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 403.255525][ C1] rcu: RCU grace-period kthread stack dump:
[ 403.261419][ C1] task:rcu_preempt state:R running task stack:28352 pid:14 ppid:2 flags:0x00004000
[ 403.272232][ C1] Call Trace:
[ 403.275526][ C1]
[ 403.278472][ C1] __schedule+0xb87/0x14e0
[ 403.282925][ C1] ? __sched_text_start+0x8/0x8
[ 403.287838][ C1] schedule+0xbd/0x170
[ 403.291930][ C1] schedule_timeout+0x12c/0x2e0
[ 403.296802][ C1] ? __cfi_schedule_timeout+0x10/0x10
[ 403.302185][ C1] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 403.307654][ C1] ? __cfi_process_timeout+0x10/0x10
[ 403.312956][ C1] ? prepare_to_swait_event+0x308/0x320
[ 403.318524][ C1] rcu_gp_fqs_loop+0x2d8/0x10a0
[ 403.323393][ C1] ? rcu_gp_init+0xf10/0xf10
[ 403.327994][ C1] rcu_gp_kthread+0x95/0x370
[ 403.332596][ C1] ? __cfi_rcu_gp_kthread+0x10/0x10
[ 403.337811][ C1] ? set_cpus_allowed_ptr+0x82/0xc0
[ 403.343022][ C1] ? __kasan_check_read+0x11/0x20
[ 403.348057][ C1] ? __kthread_parkme+0x142/0x180
[ 403.353100][ C1] kthread+0x281/0x320
[ 403.357183][ C1] ? __cfi_rcu_gp_kthread+0x10/0x10
[ 403.362411][ C1] ? __cfi_kthread+0x10/0x10
[ 403.367019][ C1] ret_from_fork+0x1f/0x30
[ 403.371456][ C1]
[ 403.374485][ C1] rcu: Stack dump where RCU GP kthread last ran:
[ 403.380822][ C1] CPU: 1 PID: 391 Comm: syz.3.18 Not tainted syzkaller #0
[ 403.387953][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 403.398025][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60
[ 403.404129][ C1] Code: 89 fb e8 23 00 00 00 48 8b 3d 3c 51 02 06 48 89 de e8 e4 c1 43 00 5b 5d c3 00 90 90 90 90 90 90 90 90 90 90 90 b8 0c 67 40 a5 <55> 48 89 e5 48 8b 45 08 65 48 8b 0d f0 43 92 7e 65 8b 15 f1 43 92
[ 403.423758][ C1] RSP: 0018:ffffc9000375ef00 EFLAGS: 00000246
[ 403.429840][ C1] RAX: ffffffff81c420b5 RBX: 0000000000000012 RCX: ffff88811527d100
[ 403.437830][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 403.445831][ C1] RBP: ffffc9000375ef40 R08: dffffc0000000000 R09: ffffed1022d2cbca
[ 403.453831][ C1] R10: ffffed1022d2cbca R11: 1ffff11022d2cbc9 R12: ffff8881169657c8
[ 403.461825][ C1] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888116965730
[ 403.469825][ C1] FS: 0000555575fc4500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 403.478867][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 403.485462][ C1] CR2: 00007ffe10af7958 CR3: 000000012dfb8000 CR4: 00000000003506a0
[ 403.493454][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 403.501433][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 403.509422][ C1] Call Trace:
[ 403.512742][ C1]
[ 403.515679][ C1] ? find_inode_by_ino_rcu+0x1bb/0x1e0
[ 403.521164][ C1] ext4_mark_iloc_dirty+0x777/0x1930
[ 403.526470][ C1] ? __cfi___ext4_journal_get_write_access+0x10/0x10
[ 403.533165][ C1] __ext4_mark_inode_dirty+0x423/0x600
[ 403.538735][ C1] ext4_dirty_inode+0xbd/0x100
[ 403.543519][ C1] ? __cfi_ext4_dirty_inode+0x10/0x10
[ 403.548915][ C1] __mark_inode_dirty+0x203/0x9d0
[ 403.553977][ C1] ext4_xattr_block_set+0x167d/0x3270
[ 403.559377][ C1] ? ext4_xattr_block_find+0x310/0x310
[ 403.564861][ C1] ? ext4_xattr_block_find+0xf0/0x310
[ 403.570249][ C1] ext4_xattr_set_handle+0xbd5/0x12b0
[ 403.575645][ C1] ? __cfi_ext4_xattr_set_handle+0x10/0x10
[ 403.581477][ C1] ? selinux_inode_init_security+0x67d/0x950
[ 403.587492][ C1] ? __cfi_selinux_inode_init_security+0x10/0x10
[ 403.593842][ C1] ext4_initxattrs+0xa6/0x110
[ 403.598624][ C1] security_inode_init_security+0x28c/0x3a0
[ 403.604535][ C1] ? posix_acl_create+0x118/0x440
[ 403.609595][ C1] ? __cfi_ext4_initxattrs+0x10/0x10
[ 403.614891][ C1] ? __cfi_security_inode_init_security+0x10/0x10
[ 403.621321][ C1] ? dquot_alloc_inode+0x1d3/0x810
[ 403.626457][ C1] ? __cfi_inode_set_flags+0x10/0x10
[ 403.631761][ C1] ? __cfi_ext4_init_acl+0x10/0x10
[ 403.636889][ C1] ? _raw_spin_unlock+0x4c/0x70
[ 403.641759][ C1] ext4_init_security+0x34/0x40
[ 403.646627][ C1] __ext4_new_inode+0x2c29/0x3640
[ 403.651683][ C1] ? __cfi___ext4_new_inode+0x10/0x10
[ 403.657080][ C1] ? dquot_initialize+0x20/0x20
[ 403.661946][ C1] ? ext4_lookup+0x2ce/0x6d0
[ 403.666568][ C1] ext4_create+0x22a/0x460
[ 403.671033][ C1] ? __cfi_ext4_create+0x10/0x10
[ 403.676009][ C1] ? selinux_inode_create+0x22/0x30
[ 403.681232][ C1] ? security_inode_create+0xd2/0x120
[ 403.686627][ C1] ? __cfi_ext4_create+0x10/0x10
[ 403.691582][ C1] path_openat+0x11e3/0x2f50
[ 403.696201][ C1] ? do_filp_open+0x3c0/0x3c0
[ 403.700899][ C1] do_filp_open+0x1c1/0x3c0
[ 403.705427][ C1] ? __cfi_do_filp_open+0x10/0x10
[ 403.710471][ C1] ? alloc_fd+0x4e6/0x590
[ 403.714814][ C1] do_sys_openat2+0x185/0x7e0
[ 403.719520][ C1] ? __se_sys_futex+0x273/0x2e0
[ 403.724389][ C1] ? do_sys_open+0xe0/0xe0
[ 403.728822][ C1] ? __x64_sys_futex+0x100/0x100
[ 403.733890][ C1] ? do_user_addr_fault+0xd36/0x1050
[ 403.739232][ C1] __x64_sys_creat+0x8e/0xb0
[ 403.743869][ C1] x64_sys_call+0x116/0x9a0
[ 403.748400][ C1] do_syscall_64+0x4c/0xa0
[ 403.752837][ C1] ? clear_bhb_loop+0x30/0x80
[ 403.757550][ C1] ? clear_bhb_loop+0x30/0x80
[ 403.762251][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 403.768169][ C1] RIP: 0033:0x7f05aad8f749
[ 403.772693][ C1] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 403.792331][ C1] RSP: 002b:00007ffc93c23218 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
[ 403.800857][ C1] RAX: ffffffffffffffda RBX: 00007f05aafe5fa0 RCX: 00007f05aad8f749
[ 403.808849][ C1] RDX: 0000000000000000 RSI: 0000000000000182 RDI: 0000200000000000
[ 403.816852][ C1] RBP: 00007f05aae13f91 R08: 0000000000000000 R09: 0000000000000000
[ 403.824848][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 403.832835][ C1] R13: 00007f05aafe5fa0 R14: 00007f05aafe5fa0 R15: 0000000000000002
[ 403.840843][ C1]
[ 452.096775][ T29] INFO: task kworker/u4:2:43 blocked for more than 126 seconds.
[ 452.104458][ T29] Not tainted syzkaller #0
[ 452.109459][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 452.118153][ T29] task:kworker/u4:2 state:D stack:21472 pid:43 ppid:2 flags:0x00004000
[ 452.127543][ T29] Workqueue: events_unbound linkwatch_event
[ 452.133442][ T29] Call Trace:
[ 452.136712][ T29]
[ 452.139721][ T29] __schedule+0xb87/0x14e0
[ 452.144162][ T29] ? __sched_text_start+0x8/0x8
[ 453.097484][ T29] ? __mutex_add_waiter+0x17b/0x270
[ 453.102778][ T29] ? __kasan_check_write+0x14/0x20
[ 453.108016][ T29] ? kthread_data+0x50/0xc0
[ 453.112542][ T29] ? wq_worker_sleeping+0x64/0x280
[ 453.117837][ T29] schedule+0xbd/0x170
[ 453.121925][ T29] schedule_preempt_disabled+0x13/0x20
[ 453.127455][ T29] __mutex_lock+0x74a/0x16d0
[ 453.132069][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 453.138905][ T29] ? __kasan_check_write+0x14/0x20
[ 453.144034][ T29] ? __switch_to+0x51f/0xe30
[ 454.107182][ T29] ? __cfi___switch_to+0x10/0x10
[ 454.112203][ T29] ? _raw_spin_unlock+0x4c/0x70
[ 454.117149][ T29] __mutex_lock_slowpath+0xe/0x10
[ 454.122302][ T29] mutex_lock+0xf8/0x1a0
[ 454.126554][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 454.131473][ T29] ? __schedule+0xb8f/0x14e0
[ 454.136081][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 454.141704][ T29] rtnl_lock+0x15/0x20
[ 454.145788][ T29] linkwatch_event+0xe/0x60
[ 455.097259][ T29] process_one_work+0x71f/0xc40
[ 455.102257][ T29] worker_thread+0xa29/0x11f0
[ 455.106984][ T29] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 455.112533][ T29] kthread+0x281/0x320
[ 455.116646][ T29] ? __cfi_worker_thread+0x10/0x10
[ 455.121886][ T29] ? __cfi_kthread+0x10/0x10
[ 455.126498][ T29] ret_from_fork+0x1f/0x30
[ 455.130985][ T29]
[ 455.134126][ T29] INFO: task syz-executor:397 blocked for more than 129 seconds.
[ 455.141907][ T29] Not tainted syzkaller #0
[ 456.096850][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 456.105566][ T29] task:syz-executor state:D stack:23264 pid:397 ppid:1 flags:0x00004004
[ 456.114865][ T29] Call Trace:
[ 456.118215][ T29]
[ 456.121171][ T29] __schedule+0xb87/0x14e0
[ 456.125594][ T29] ? __kasan_check_write+0x14/0x20
[ 456.130790][ T29] ? __sched_text_start+0x8/0x8
[ 456.135659][ T29] ? _raw_spin_unlock_irqrestore+0x5a/0x80
[ 456.141582][ T29] ? prepare_to_wait_event+0x40b/0x440
[ 457.107245][ T29] schedule+0xbd/0x170
[ 457.111413][ T29] synchronize_rcu_expedited+0x70e/0x810
[ 457.117192][ T29] ? kasan_quarantine_put+0x34/0x190
[ 457.122497][ T29] ? __cfi_synchronize_rcu_expedited+0x10/0x10
[ 457.128691][ T29] ? ____kasan_slab_free+0x13d/0x180
[ 457.133992][ T29] ? __kasan_slab_free+0x11/0x20
[ 457.138990][ T29] ? slab_free_freelist_hook+0xc2/0x190
[ 457.144573][ T29] ? __cfi_wait_rcu_exp_gp+0x10/0x10
[ 458.096815][ T29] ? __kmem_cache_free+0xb7/0x1b0
[ 458.101904][ T29] ? __kasan_check_write+0x14/0x20
[ 458.107198][ T29] ? kobject_put+0x1bb/0x280
[ 458.111867][ T29] ? __cfi_netdev_queue_release+0x10/0x10
[ 458.117652][ T29] ? __cfi_autoremove_wake_function+0x10/0x10
[ 458.123739][ T29] ? netdev_queue_update_kobjects+0x428/0x470
[ 458.129866][ T29] ? __x64_sys_sendto+0xe5/0x100
[ 458.134841][ T29] ? x64_sys_call+0x83/0x9a0
[ 458.139485][ T29] ? __kasan_check_read+0x11/0x20
[ 458.144521][ T29] netif_set_real_num_tx_queues+0x4c9/0x7f0
[ 459.097787][ T29] veth_newlink+0x874/0xbe0
[ 459.102367][ T29] ? __cfi_veth_newlink+0x10/0x10
[ 459.108008][ T29] ? rtnl_create_link+0x88d/0xb10
[ 459.113161][ T29] ? __cfi_veth_newlink+0x10/0x10
[ 459.118260][ T29] rtnl_newlink+0x14b9/0x2030
[ 459.122952][ T29] ? memcpy+0x56/0x70
[ 459.127029][ T29] ? __cfi_rtnl_newlink+0x10/0x10
[ 459.132074][ T29] ? selinux_capable+0x29c/0x380
[ 459.137049][ T29] ? __cfi_selinux_capable+0x10/0x10
[ 459.142356][ T29] ? prep_compound_page+0x1cb/0x4a0
[ 460.097392][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 460.102305][ T29] ? ns_capable+0x8c/0xf0
[ 460.106660][ T29] ? netlink_net_capable+0x125/0x160
[ 460.112223][ T29] ? __cfi_rtnl_newlink+0x10/0x10
[ 460.117337][ T29] rtnetlink_rcv_msg+0x9f4/0xcf0
[ 460.122296][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10
[ 460.127796][ T29] ? kernel_text_address+0xa0/0xd0
[ 460.133041][ T29] ? __kernel_text_address+0xd/0x30
[ 460.138308][ T29] ? unwind_get_return_address+0x4d/0x90
[ 460.143964][ T29] ? memcpy+0x56/0x70
[ 461.096949][ T29] ? avc_has_perm_noaudit+0x2f4/0x460
[ 461.102439][ T29] ? __cfi_avc_has_perm_noaudit+0x10/0x10
[ 461.108324][ T29] ? avc_has_perm+0x158/0x240
[ 461.113081][ T29] ? __alloc_skb+0x236/0x4b0
[ 461.117780][ T29] ? netlink_sendmsg+0x626/0xbc0
[ 461.122765][ T29] ? __cfi_avc_has_perm+0x10/0x10
[ 461.127895][ T29] ? selinux_nlmsg_lookup+0x400/0x4c0
[ 461.133345][ T29] netlink_rcv_skb+0x1f2/0x440
[ 461.138189][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10
[ 461.143708][ T29] ? __cfi_netlink_rcv_skb+0x10/0x10
[ 462.096785][ T29] ? __netlink_lookup+0x387/0x3b0
[ 462.101876][ T29] rtnetlink_rcv+0x1c/0x20
[ 462.106326][ T29] netlink_unicast+0x8ab/0xa30
[ 462.111145][ T29] netlink_sendmsg+0x8aa/0xbc0
[ 462.115980][ T29] ? kasan_save_alloc_info+0x25/0x30
[ 462.121394][ T29] ? __cfi_netlink_sendmsg+0x10/0x10
[ 462.126769][ T29] ? security_socket_sendmsg+0x93/0xb0
[ 462.132250][ T29] __sys_sendto+0x464/0x5e0
[ 462.136792][ T29] ? __cfi___sys_sendto+0x10/0x10
[ 462.141868][ T29] ? errseq_sample+0x44/0x70
[ 462.146465][ T29] ? __this_cpu_preempt_check+0x13/0x20
[ 463.098460][ T29] ? xfd_validate_state+0x70/0x150
[ 463.103660][ T29] __x64_sys_sendto+0xe5/0x100
[ 463.108573][ T29] x64_sys_call+0x83/0x9a0
[ 463.113131][ T29] do_syscall_64+0x4c/0xa0
[ 463.117650][ T29] ? clear_bhb_loop+0x30/0x80
[ 463.122333][ T29] ? clear_bhb_loop+0x30/0x80
[ 463.127108][ T29] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 463.133028][ T29] RIP: 0033:0x7ff8b6791583
[ 463.137465][ T29] RSP: 002b:00007fffc2c87638 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 463.145895][ T29] RAX: ffffffffffffffda RBX: 00007ff8b7514620 RCX: 00007ff8b6791583
[ 464.097053][ T29] RDX: 000000000000002c RSI: 00007ff8b7514670 RDI: 0000000000000003
[ 464.105353][ T29] RBP: 0000000000000001 R08: 00007fffc2c87654 R09: 000000000000000c
[ 464.113390][ T29] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[ 464.121581][ T29] R13: 0000000000000000 R14: 00007ff8b7514670 R15: 0000000000000000
[ 464.129640][ T29]
[ 464.133042][ T29] NMI backtrace for cpu 1
[ 464.137446][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[ 464.144643][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 464.154699][ T29] Call Trace:
[ 464.157993][ T29]
[ 464.160948][ T29] __dump_stack+0x21/0x24
[ 464.165303][ T29] dump_stack_lvl+0xee/0x150
[ 464.169909][ T29] ? __cfi_dump_stack_lvl+0x8/0x8
[ 464.174951][ T29] dump_stack+0x15/0x24
[ 464.179122][ T29] nmi_cpu_backtrace+0x2b4/0x2c0
[ 464.184084][ T29] ? rcu_read_unlock_special+0xab/0x480
[ 464.189692][ T29] ? __cfi_nmi_cpu_backtrace+0x10/0x10
[ 464.195170][ T29] ? __rcu_read_unlock+0xa0/0xa0
[ 464.200141][ T29] ? memcpy+0x56/0x70
[ 464.204140][ T29] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10
[ 464.210139][ T29] nmi_trigger_cpumask_backtrace+0x16b/0x3a0
[ 464.216141][ T29] arch_trigger_cpumask_backtrace+0x10/0x20
[ 464.222052][ T29] watchdog+0xd44/0xe80
[ 464.226240][ T29] ? __cfi_watchdog+0x10/0x10
[ 464.230948][ T29] ? __kasan_check_read+0x11/0x20
[ 464.235983][ T29] ? __kthread_parkme+0x142/0x180
[ 464.241025][ T29] kthread+0x281/0x320
[ 464.245110][ T29] ? __cfi_watchdog+0x10/0x10
[ 464.249810][ T29] ? __cfi_kthread+0x10/0x10
[ 464.254412][ T29] ret_from_fork+0x1f/0x30
[ 464.258852][ T29]
[ 464.262012][ T29] Sending NMI from CPU 1 to CPUs 0:
[ 464.267254][ C0] NMI backtrace for cpu 0
[ 464.267263][ C0] CPU: 0 PID: 375 Comm: syz.2.17 Not tainted syzkaller #0
[ 464.267278][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 464.267287][ C0] RIP: 0010:memset_erms+0xb/0x10
[ 464.267311][ C0] Code: 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 f3 48 ab 89 d1 f3 aa 4c 89 c8 c3 90 49 89 f9 40 88 f0 48 89 d1 f3 aa <4c> 89 c8 c3 90 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01 01 01
[ 464.267324][ C0] RSP: 0018:ffffc9000373ee10 EFLAGS: 00000202
[ 464.267339][ C0] RAX: ffffffff81e87f00 RBX: 0000000000000028 RCX: 0000000000000000
[ 464.267350][ C0] RDX: 0000000000000028 RSI: 0000000000000000 RDI: ffffc9000373ef68
[ 464.267360][ C0] RBP: ffffc9000373ee30 R08: dffffc0000000000 R09: ffffc9000373ef40
[ 464.267372][ C0] R10: fffff520006e7ded R11: 1ffff920006e7de8 R12: 0000000000000013
[ 464.267383][ C0] R13: 1ffff920006e7e14 R14: 0000000000000000 R15: ffffc9000373ef40
[ 464.267415][ C0] FS: 000055555d6de500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 464.267430][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 464.267441][ C0] CR2: 00007ffe69b45298 CR3: 000000012d1a1000 CR4: 00000000003506b0
[ 464.267470][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 464.267480][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 464.267490][ C0] Call Trace:
[ 464.267494][ C0]
[ 464.267499][ C0] ? memset+0x35/0x40
[ 464.267514][ C0] __ext4_get_inode_loc+0x100/0xdf0
[ 464.267534][ C0] ? __ext4_handle_dirty_metadata+0x1/0x800
[ 464.267551][ C0] ? __kasan_check_read+0x11/0x20
[ 464.267565][ C0] ? mark_buffer_dirty+0x1d5/0x380
[ 464.267582][ C0] ? __ext4_handle_dirty_metadata+0x2f3/0x800
[ 464.267599][ C0] ? ext4_get_inode_loc+0xf0/0xf0
[ 464.267619][ C0] ? __cfi__raw_spin_lock+0x10/0x10
[ 464.267657][ C0] ext4_reserve_inode_write+0x12a/0x2e0
[ 464.267681][ C0] __ext4_mark_inode_dirty+0xb2/0x600
[ 464.267701][ C0] ext4_dirty_inode+0xbd/0x100
[ 464.267728][ C0] ? __cfi_ext4_dirty_inode+0x10/0x10
[ 464.267749][ C0] __mark_inode_dirty+0x203/0x9d0
[ 464.267768][ C0] ext4_xattr_block_set+0x186e/0x3270
[ 464.267797][ C0] ? ext4_xattr_block_find+0x310/0x310
[ 464.267821][ C0] ? ext4_xattr_block_find+0xf0/0x310
[ 464.267843][ C0] ext4_xattr_set_handle+0xbd5/0x12b0
[ 464.267869][ C0] ? __cfi_ext4_xattr_set_handle+0x10/0x10
[ 464.267891][ C0] ? selinux_inode_init_security+0x67d/0x950
[ 464.267910][ C0] ? __cfi_selinux_inode_init_security+0x10/0x10
[ 464.267929][ C0] ext4_initxattrs+0xa6/0x110
[ 464.267947][ C0] security_inode_init_security+0x28c/0x3a0
[ 464.267964][ C0] ? posix_acl_create+0x118/0x440
[ 464.267986][ C0] ? __cfi_ext4_initxattrs+0x10/0x10
[ 464.268003][ C0] ? __cfi_security_inode_init_security+0x10/0x10
[ 464.268022][ C0] ? dquot_alloc_inode+0x1d3/0x810
[ 464.268043][ C0] ? __cfi_inode_set_flags+0x10/0x10
[ 464.268065][ C0] ? __cfi_ext4_init_acl+0x10/0x10
[ 464.268081][ C0] ? _raw_spin_unlock+0x4c/0x70
[ 464.268099][ C0] ext4_init_security+0x34/0x40
[ 464.268116][ C0] __ext4_new_inode+0x2c29/0x3640
[ 464.268144][ C0] ? __cfi___ext4_new_inode+0x10/0x10
[ 464.268168][ C0] ? dquot_initialize+0x20/0x20
[ 464.268189][ C0] ? ext4_lookup+0x2ce/0x6d0
[ 464.268210][ C0] ext4_create+0x22a/0x460
[ 464.268234][ C0] ? __cfi_ext4_create+0x10/0x10
[ 464.268255][ C0] ? selinux_inode_create+0x22/0x30
[ 464.268271][ C0] ? security_inode_create+0xd2/0x120
[ 464.268288][ C0] ? __cfi_ext4_create+0x10/0x10
[ 464.268310][ C0] path_openat+0x11e3/0x2f50
[ 464.268335][ C0] ? do_filp_open+0x3c0/0x3c0
[ 464.268355][ C0] do_filp_open+0x1c1/0x3c0
[ 464.268372][ C0] ? __cfi_do_filp_open+0x10/0x10
[ 464.268394][ C0] ? alloc_fd+0x4e6/0x590
[ 464.268410][ C0] do_sys_openat2+0x185/0x7e0
[ 464.268432][ C0] ? __se_sys_futex+0x273/0x2e0
[ 464.268447][ C0] ? do_sys_open+0xe0/0xe0
[ 464.268468][ C0] ? __x64_sys_futex+0x100/0x100
[ 464.268483][ C0] ? do_user_addr_fault+0xd36/0x1050
[ 464.268506][ C0] __x64_sys_creat+0x8e/0xb0
[ 464.268528][ C0] x64_sys_call+0x116/0x9a0
[ 464.268547][ C0] do_syscall_64+0x4c/0xa0
[ 464.268564][ C0] ? clear_bhb_loop+0x30/0x80
[ 464.268587][ C0] ? clear_bhb_loop+0x30/0x80
[ 464.268610][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 464.268632][ C0] RIP: 0033:0x7f5b70b8f749
[ 464.268645][ C0] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 464.268658][ C0] RSP: 002b:00007fffbd643308 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
[ 464.268673][ C0] RAX: ffffffffffffffda RBX: 00007f5b70de5fa0 RCX: 00007f5b70b8f749
[ 464.268685][ C0] RDX: 0000000000000000 RSI: 0000000000000182 RDI: 0000200000000000
[ 464.268695][ C0] RBP: 00007f5b70c13f91 R08: 0000000000000000 R09: 0000000000000000
[ 464.268711][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 464.268720][ C0] R13: 00007f5b70de5fa0 R14: 00007f5b70de5fa0 R15: 0000000000000002
[ 464.268734][ C0]
[ 486.096940][ T29] INFO: task kworker/u4:2:43 blocked for more than 160 seconds.
[ 486.105001][ T29] Not tainted syzkaller #0
[ 486.110119][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 486.118840][ T29] task:kworker/u4:2 state:D stack:21472 pid:43 ppid:2 flags:0x00004000
[ 486.128185][ T29] Workqueue: events_unbound linkwatch_event
[ 486.134147][ T29] Call Trace:
[ 486.137492][ T29]
[ 486.140608][ T29] __schedule+0xb87/0x14e0
[ 486.145058][ T29] ? __sched_text_start+0x8/0x8
[ 487.107431][ T29] ? __mutex_add_waiter+0x17b/0x270
[ 487.112904][ T29] ? __kasan_check_write+0x14/0x20
[ 487.118169][ T29] ? kthread_data+0x50/0xc0
[ 487.122953][ T29] ? wq_worker_sleeping+0x64/0x280
[ 487.128202][ T29] schedule+0xbd/0x170
[ 487.132293][ T29] schedule_preempt_disabled+0x13/0x20
[ 487.137822][ T29] __mutex_lock+0x74a/0x16d0
[ 487.142443][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 488.096879][ T29] ? __kasan_check_write+0x14/0x20
[ 488.102129][ T29] ? __switch_to+0x51f/0xe30
[ 488.107038][ T29] ? __cfi___switch_to+0x10/0x10
[ 488.112015][ T29] ? _raw_spin_unlock+0x4c/0x70
[ 488.116944][ T29] __mutex_lock_slowpath+0xe/0x10
[ 488.121994][ T29] mutex_lock+0xf8/0x1a0
[ 488.126236][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 488.131172][ T29] ? __schedule+0xb8f/0x14e0
[ 488.135786][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 488.141418][ T29] rtnl_lock+0x15/0x20
[ 488.145499][ T29] linkwatch_event+0xe/0x60
[ 489.107112][ T29] process_one_work+0x71f/0xc40
[ 489.112131][ T29] worker_thread+0xa29/0x11f0
[ 489.116906][ T29] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 489.122439][ T29] kthread+0x281/0x320
[ 489.126586][ T29] ? __cfi_worker_thread+0x10/0x10
[ 489.131746][ T29] ? __cfi_kthread+0x10/0x10
[ 489.136448][ T29] ret_from_fork+0x1f/0x30
[ 489.141065][ T29]
[ 489.144199][ T29] INFO: task syz-executor:397 blocked for more than 163 seconds.
[ 490.096988][ T29] Not tainted syzkaller #0
[ 490.102012][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 490.110718][ T29] task:syz-executor state:D stack:23264 pid:397 ppid:1 flags:0x00004004
[ 490.120036][ T29] Call Trace:
[ 490.123335][ T29]
[ 490.126361][ T29] __schedule+0xb87/0x14e0
[ 490.130907][ T29] ? __kasan_check_write+0x14/0x20
[ 490.136047][ T29] ? __sched_text_start+0x8/0x8
[ 490.141176][ T29] ? _raw_spin_unlock_irqrestore+0x5a/0x80
[ 491.097183][ T29] ? prepare_to_wait_event+0x40b/0x440
[ 491.102834][ T29] schedule+0xbd/0x170
[ 491.107491][ T29] synchronize_rcu_expedited+0x70e/0x810
[ 491.113198][ T29] ? kasan_quarantine_put+0x34/0x190
[ 491.118563][ T29] ? __cfi_synchronize_rcu_expedited+0x10/0x10
[ 491.124788][ T29] ? ____kasan_slab_free+0x13d/0x180
[ 491.130142][ T29] ? __kasan_slab_free+0x11/0x20
[ 491.135158][ T29] ? slab_free_freelist_hook+0xc2/0x190
[ 491.140781][ T29] ? __cfi_wait_rcu_exp_gp+0x10/0x10
[ 491.146089][ T29] ? __kmem_cache_free+0xb7/0x1b0
[ 492.096885][ T29] ? __kasan_check_write+0x14/0x20
[ 492.102063][ T29] ? kobject_put+0x1bb/0x280
[ 492.106739][ T29] ? __cfi_netdev_queue_release+0x10/0x10
[ 492.112520][ T29] ? __cfi_autoremove_wake_function+0x10/0x10
[ 492.118825][ T29] ? netdev_queue_update_kobjects+0x428/0x470
[ 492.125015][ T29] ? __x64_sys_sendto+0xe5/0x100
[ 492.130027][ T29] ? x64_sys_call+0x83/0x9a0
[ 492.134633][ T29] ? __kasan_check_read+0x11/0x20
[ 492.139767][ T29] netif_set_real_num_tx_queues+0x4c9/0x7f0
[ 492.145722][ T29] veth_newlink+0x874/0xbe0
[ 493.096956][ T29] ? __cfi_veth_newlink+0x10/0x10
[ 493.102075][ T29] ? rtnl_create_link+0x88d/0xb10
[ 493.107833][ T29] ? __cfi_veth_newlink+0x10/0x10
[ 493.112918][ T29] rtnl_newlink+0x14b9/0x2030
[ 493.117777][ T29] ? memcpy+0x56/0x70
[ 493.121780][ T29] ? __cfi_rtnl_newlink+0x10/0x10
[ 493.126903][ T29] ? selinux_capable+0x29c/0x380
[ 493.131911][ T29] ? __cfi_selinux_capable+0x10/0x10
[ 493.137231][ T29] ? prep_compound_page+0x1cb/0x4a0
[ 493.142446][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 494.096984][ T29] ? ns_capable+0x8c/0xf0
[ 494.101437][ T29] ? netlink_net_capable+0x125/0x160
[ 494.106801][ T29] ? __cfi_rtnl_newlink+0x10/0x10
[ 494.111916][ T29] rtnetlink_rcv_msg+0x9f4/0xcf0
[ 494.116934][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10
[ 494.122465][ T29] ? kernel_text_address+0xa0/0xd0
[ 494.127651][ T29] ? __kernel_text_address+0xd/0x30
[ 494.132869][ T29] ? unwind_get_return_address+0x4d/0x90
[ 494.138670][ T29] ? memcpy+0x56/0x70
[ 494.142664][ T29] ? avc_has_perm_noaudit+0x2f4/0x460
[ 495.098251][ T29] ? __cfi_avc_has_perm_noaudit+0x10/0x10
[ 495.104319][ T29] ? avc_has_perm+0x158/0x240
[ 495.109075][ T29] ? __alloc_skb+0x236/0x4b0
[ 495.113770][ T29] ? netlink_sendmsg+0x626/0xbc0
[ 495.118765][ T29] ? __cfi_avc_has_perm+0x10/0x10
[ 495.123815][ T29] ? selinux_nlmsg_lookup+0x400/0x4c0
[ 495.129247][ T29] netlink_rcv_skb+0x1f2/0x440
[ 495.134023][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10
[ 495.139515][ T29] ? __cfi_netlink_rcv_skb+0x10/0x10
[ 495.144813][ T29] ? __netlink_lookup+0x387/0x3b0
[ 496.106883][ T29] rtnetlink_rcv+0x1c/0x20
[ 496.111448][ T29] netlink_unicast+0x8ab/0xa30
[ 496.116247][ T29] netlink_sendmsg+0x8aa/0xbc0
[ 496.121073][ T29] ? kasan_save_alloc_info+0x25/0x30
[ 496.126432][ T29] ? __cfi_netlink_sendmsg+0x10/0x10
[ 496.131774][ T29] ? security_socket_sendmsg+0x93/0xb0
[ 496.137273][ T29] __sys_sendto+0x464/0x5e0
[ 496.141794][ T29] ? __cfi___sys_sendto+0x10/0x10
[ 497.097221][ T29] ? errseq_sample+0x44/0x70
[ 497.101989][ T29] ? __this_cpu_preempt_check+0x13/0x20
[ 497.107606][ T29] ? xfd_validate_state+0x70/0x150
[ 497.112826][ T29] __x64_sys_sendto+0xe5/0x100
[ 497.117680][ T29] x64_sys_call+0x83/0x9a0
[ 497.122118][ T29] do_syscall_64+0x4c/0xa0
[ 497.126554][ T29] ? clear_bhb_loop+0x30/0x80
[ 497.131318][ T29] ? clear_bhb_loop+0x30/0x80
[ 497.136017][ T29] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 497.141981][ T29] RIP: 0033:0x7ff8b6791583
[ 497.146409][ T29] RSP: 002b:00007fffc2c87638 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 498.106898][ T29] RAX: ffffffffffffffda RBX: 00007ff8b7514620 RCX: 00007ff8b6791583
[ 498.114966][ T29] RDX: 000000000000002c RSI: 00007ff8b7514670 RDI: 0000000000000003
[ 498.123101][ T29] RBP: 0000000000000001 R08: 00007fffc2c87654 R09: 000000000000000c
[ 498.131235][ T29] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[ 498.139280][ T29] R13: 0000000000000000 R14: 00007ff8b7514670 R15: 0000000000000000
[ 499.097428][ T29]
[ 499.100580][ T29] NMI backtrace for cpu 0
[ 499.105015][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[ 499.112205][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 499.122262][ T29] Call Trace:
[ 499.125544][ T29]
[ 499.128474][ T29] __dump_stack+0x21/0x24
[ 499.132815][ T29] dump_stack_lvl+0xee/0x150
[ 499.137406][ T29] ? __cfi_dump_stack_lvl+0x8/0x8
[ 499.142431][ T29] dump_stack+0x15/0x24
[ 499.146583][ T29] nmi_cpu_backtrace+0x2b4/0x2c0
[ 499.151521][ T29] ? rcu_read_unlock_special+0xab/0x480
[ 499.157107][ T29] ? __cfi_nmi_cpu_backtrace+0x10/0x10
[ 499.162566][ T29] ? __rcu_read_unlock+0xa0/0xa0
[ 499.167520][ T29] ? memcpy+0x56/0x70
[ 499.171494][ T29] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10
[ 499.177540][ T29] nmi_trigger_cpumask_backtrace+0x16b/0x3a0
[ 499.183558][ T29] arch_trigger_cpumask_backtrace+0x10/0x20
[ 499.189456][ T29] watchdog+0xd44/0xe80
[ 499.193649][ T29] ? __cfi_watchdog+0x10/0x10
[ 499.198357][ T29] ? __kasan_check_read+0x11/0x20
[ 499.203377][ T29] ? __kthread_parkme+0x142/0x180
[ 499.208402][ T29] kthread+0x281/0x320
[ 499.212513][ T29] ? __cfi_watchdog+0x10/0x10
[ 499.217203][ T29] ? __cfi_kthread+0x10/0x10
[ 499.221791][ T29] ret_from_fork+0x1f/0x30
[ 499.226218][ T29]
[ 499.229473][ T29] Sending NMI from CPU 0 to CPUs 1:
[ 499.234686][ C1] NMI backtrace for cpu 1
[ 499.234696][ C1] CPU: 1 PID: 391 Comm: syz.3.18 Not tainted syzkaller #0
[ 499.234714][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 499.234723][ C1] RIP: 0010:find_inode_by_ino_rcu+0x96/0x1e0
[ 499.234775][ C1] Code: ff 49 bd 00 00 00 00 00 fc ff df 44 89 e1 49 d3 ef 45 31 fe 44 23 35 75 86 ae 05 48 8b 45 c8 4e 8d 3c f0 4c 89 f8 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 ff e8 3b 84 f0 ff 4d 8b 3f 4d 85 ff 0f
[ 499.234789][ C1] RSP: 0018:ffffc9000375ef08 EFLAGS: 00000a06
[ 499.234804][ C1] RAX: 1ffff1103ec8b027 RBX: 0000000000000012 RCX: 0000000000000013
[ 499.234815][ C1] RDX: 0000000000000000 RSI: 0000000000000013 RDI: 0000000000000040
[ 499.234825][ C1] RBP: ffffc9000375ef40 R08: dffffc0000000000 R09: ffffed1022d2cbca
[ 499.234838][ C1] R10: ffffed1022d2cbca R11: 1ffff11022d2cbc9 R12: 0000000000000013
[ 499.234849][ C1] R13: dffffc0000000000 R14: 000000000000b027 R15: ffff8881f6458138
[ 499.234861][ C1] FS: 0000555575fc4500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 499.234876][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 499.234887][ C1] CR2: 00007fad91315000 CR3: 000000012dfb8000 CR4: 00000000003506a0
[ 499.234901][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 499.234910][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 499.234921][ C1] Call Trace:
[ 499.234926][ C1]
[ 499.234938][ C1] ext4_mark_iloc_dirty+0x777/0x1930
[ 499.234973][ C1] ? __cfi___ext4_journal_get_write_access+0x10/0x10
[ 499.235004][ C1] __ext4_mark_inode_dirty+0x423/0x600
[ 499.235025][ C1] ext4_dirty_inode+0xbd/0x100
[ 499.235045][ C1] ? __cfi_ext4_dirty_inode+0x10/0x10
[ 499.235066][ C1] __mark_inode_dirty+0x203/0x9d0
[ 499.235091][ C1] ext4_xattr_block_set+0x186e/0x3270
[ 499.235124][ C1] ? ext4_xattr_block_find+0x310/0x310
[ 499.235147][ C1] ? ext4_xattr_block_find+0xf0/0x310
[ 499.235169][ C1] ext4_xattr_set_handle+0xbd5/0x12b0
[ 499.235194][ C1] ? __cfi_ext4_xattr_set_handle+0x10/0x10
[ 499.235216][ C1] ? selinux_inode_init_security+0x67d/0x950
[ 499.235236][ C1] ? __cfi_selinux_inode_init_security+0x10/0x10
[ 499.235254][ C1] ext4_initxattrs+0xa6/0x110
[ 499.235272][ C1] security_inode_init_security+0x28c/0x3a0
[ 499.235289][ C1] ? posix_acl_create+0x118/0x440
[ 499.235311][ C1] ? __cfi_ext4_initxattrs+0x10/0x10
[ 499.235327][ C1] ? __cfi_security_inode_init_security+0x10/0x10
[ 499.235346][ C1] ? dquot_alloc_inode+0x1d3/0x810
[ 499.235367][ C1] ? __cfi_inode_set_flags+0x10/0x10
[ 499.235388][ C1] ? __cfi_ext4_init_acl+0x10/0x10
[ 499.235404][ C1] ? _raw_spin_unlock+0x4c/0x70
[ 499.235423][ C1] ext4_init_security+0x34/0x40
[ 499.235440][ C1] __ext4_new_inode+0x2c29/0x3640
[ 499.235467][ C1] ? __cfi___ext4_new_inode+0x10/0x10
[ 499.235490][ C1] ? dquot_initialize+0x20/0x20
[ 499.235511][ C1] ? ext4_lookup+0x2ce/0x6d0
[ 499.235533][ C1] ext4_create+0x22a/0x460
[ 499.235556][ C1] ? __cfi_ext4_create+0x10/0x10
[ 499.235577][ C1] ? selinux_inode_create+0x22/0x30
[ 499.235593][ C1] ? security_inode_create+0xd2/0x120
[ 499.235610][ C1] ? __cfi_ext4_create+0x10/0x10
[ 499.235631][ C1] path_openat+0x11e3/0x2f50
[ 499.235655][ C1] ? do_filp_open+0x3c0/0x3c0
[ 499.235689][ C1] do_filp_open+0x1c1/0x3c0
[ 499.235707][ C1] ? __cfi_do_filp_open+0x10/0x10
[ 499.235729][ C1] ? alloc_fd+0x4e6/0x590
[ 499.235745][ C1] do_sys_openat2+0x185/0x7e0
[ 499.235766][ C1] ? __se_sys_futex+0x273/0x2e0
[ 499.235782][ C1] ? do_sys_open+0xe0/0xe0
[ 499.235802][ C1] ? __x64_sys_futex+0x100/0x100
[ 499.235817][ C1] ? do_user_addr_fault+0xd36/0x1050
[ 499.235841][ C1] __x64_sys_creat+0x8e/0xb0
[ 499.235863][ C1] x64_sys_call+0x116/0x9a0
[ 499.235882][ C1] do_syscall_64+0x4c/0xa0
[ 499.235900][ C1] ? clear_bhb_loop+0x30/0x80
[ 499.235923][ C1] ? clear_bhb_loop+0x30/0x80
[ 499.235951][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 499.235972][ C1] RIP: 0033:0x7f05aad8f749
[ 499.235985][ C1] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 499.235998][ C1] RSP: 002b:00007ffc93c23218 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
[ 499.236013][ C1] RAX: ffffffffffffffda RBX: 00007f05aafe5fa0 RCX: 00007f05aad8f749
[ 499.236025][ C1] RDX: 0000000000000000 RSI: 0000000000000182 RDI: 0000200000000000
[ 499.236035][ C1] RBP: 00007f05aae13f91 R08: 0000000000000000 R09: 0000000000000000
[ 499.236045][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 499.236055][ C1] R13: 00007f05aafe5fa0 R14: 00007f05aafe5fa0 R15: 0000000000000002
[ 499.236069][ C1]
[ 522.096745][ T29] INFO: task kworker/u4:2:43 blocked for more than 196 seconds.
[ 522.104439][ T29] Not tainted syzkaller #0
[ 522.109445][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 522.118141][ T29] task:kworker/u4:2 state:D stack:21472 pid:43 ppid:2 flags:0x00004000
[ 522.127392][ T29] Workqueue: events_unbound linkwatch_event
[ 522.133465][ T29] Call Trace:
[ 522.136803][ T29]
[ 522.139744][ T29] __schedule+0xb87/0x14e0
[ 522.144198][ T29] ? __sched_text_start+0x8/0x8
[ 523.097236][ T29] ? __mutex_add_waiter+0x17b/0x270
[ 523.102555][ T29] ? __kasan_check_write+0x14/0x20
[ 523.107736][ T29] ? kthread_data+0x50/0xc0
[ 523.112240][ T29] ? wq_worker_sleeping+0x64/0x280
[ 523.117510][ T29] schedule+0xbd/0x170
[ 523.121598][ T29] schedule_preempt_disabled+0x13/0x20
[ 523.127121][ T29] __mutex_lock+0x74a/0x16d0
[ 523.131733][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 523.138592][ T29] ? __kasan_check_write+0x14/0x20
[ 523.143741][ T29] ? __switch_to+0x51f/0xe30
[ 524.097243][ T29] ? __cfi___switch_to+0x10/0x10
[ 524.102238][ T29] ? _raw_spin_unlock+0x4c/0x70
[ 524.107416][ T29] __mutex_lock_slowpath+0xe/0x10
[ 524.112493][ T29] mutex_lock+0xf8/0x1a0
[ 524.116792][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 524.121667][ T29] ? __schedule+0xb8f/0x14e0
[ 524.126258][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 524.131868][ T29] rtnl_lock+0x15/0x20
[ 524.136063][ T29] linkwatch_event+0xe/0x60
[ 524.140780][ T29] process_one_work+0x71f/0xc40
[ 524.145704][ T29] worker_thread+0xa29/0x11f0
[ 525.098885][ T29] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 525.104417][ T29] kthread+0x281/0x320
[ 525.108552][ T29] ? __cfi_worker_thread+0x10/0x10
[ 525.113685][ T29] ? __cfi_kthread+0x10/0x10
[ 525.118330][ T29] ret_from_fork+0x1f/0x30
[ 525.122771][ T29]
[ 525.125806][ T29] INFO: task kworker/0:2:320 blocked for more than 136 seconds.
[ 525.133478][ T29] Not tainted syzkaller #0
[ 525.138440][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 526.096905][ T29] task:kworker/0:2 state:D stack:23840 pid:320 ppid:2 flags:0x00004000
[ 526.106281][ T29] Workqueue: ipv6_addrconf addrconf_verify_work
[ 526.112624][ T29] Call Trace:
[ 526.115915][ T29]
[ 526.118910][ T29] __schedule+0xb87/0x14e0
[ 526.123354][ T29] ? __sched_text_start+0x8/0x8
[ 526.128318][ T29] ? _raw_spin_unlock_irq+0x60/0x70
[ 526.133538][ T29] ? wq_worker_sleeping+0x1d9/0x280
[ 526.138835][ T29] schedule+0xbd/0x170
[ 526.142927][ T29] schedule_preempt_disabled+0x13/0x20
[ 527.097265][ T29] __mutex_lock+0x74a/0x16d0
[ 527.102021][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 527.108877][ T29] ? __kasan_check_write+0x14/0x20
[ 527.114041][ T29] ? __switch_to+0x51f/0xe30
[ 527.118711][ T29] ? __cfi___switch_to+0x10/0x10
[ 527.123706][ T29] ? _raw_spin_unlock+0x4c/0x70
[ 527.128599][ T29] __mutex_lock_slowpath+0xe/0x10
[ 527.133651][ T29] mutex_lock+0xf8/0x1a0
[ 527.137962][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 527.142834][ T29] ? __schedule+0xb8f/0x14e0
[ 528.096984][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 528.102599][ T29] rtnl_lock+0x15/0x20
[ 528.106688][ T29] addrconf_verify_work+0x19/0x30
[ 528.111797][ T29] process_one_work+0x71f/0xc40
[ 528.116666][ T29] worker_thread+0xa29/0x11f0
[ 528.121490][ T29] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 528.127022][ T29] ? __kthread_parkme+0x142/0x180
[ 528.132060][ T29] kthread+0x281/0x320
[ 528.136133][ T29] ? __cfi_worker_thread+0x10/0x10
[ 528.141351][ T29] ? __cfi_kthread+0x10/0x10
[ 528.145956][ T29] ret_from_fork+0x1f/0x30
[ 529.097048][ T29]
[ 529.100127][ T29] INFO: task syz-executor:397 blocked for more than 203 seconds.
[ 529.108133][ T29] Not tainted syzkaller #0
[ 529.113164][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 529.121959][ T29] task:syz-executor state:D stack:23264 pid:397 ppid:1 flags:0x00004004
[ 529.131370][ T29] Call Trace:
[ 529.142131][ T29]
[ 529.145142][ T29] __schedule+0xb87/0x14e0
[ 530.105262][ T29] ? __kasan_check_write+0x14/0x20
[ 530.110486][ T29] ? __sched_text_start+0x8/0x8
[ 530.115370][ T29] ? _raw_spin_unlock_irqrestore+0x5a/0x80
[ 530.121324][ T29] ? prepare_to_wait_event+0x40b/0x440
[ 530.126918][ T29] schedule+0xbd/0x170
[ 530.131114][ T29] synchronize_rcu_expedited+0x70e/0x810
[ 530.136817][ T29] ? kasan_quarantine_put+0x34/0x190
[ 530.142209][ T29] ? __cfi_synchronize_rcu_expedited+0x10/0x10
[ 531.097791][ T29] ? ____kasan_slab_free+0x13d/0x180
[ 531.103250][ T29] ? __kasan_slab_free+0x11/0x20
[ 531.108308][ T29] ? slab_free_freelist_hook+0xc2/0x190
[ 531.113878][ T29] ? __cfi_wait_rcu_exp_gp+0x10/0x10
[ 531.119231][ T29] ? __kmem_cache_free+0xb7/0x1b0
[ 531.124277][ T29] ? __kasan_check_write+0x14/0x20
[ 531.129452][ T29] ? kobject_put+0x1bb/0x280
[ 531.134064][ T29] ? __cfi_netdev_queue_release+0x10/0x10
[ 531.139855][ T29] ? __cfi_autoremove_wake_function+0x10/0x10
[ 531.145958][ T29] ? netdev_queue_update_kobjects+0x428/0x470
[ 532.107038][ T29] ? __x64_sys_sendto+0xe5/0x100
[ 532.112131][ T29] ? x64_sys_call+0x83/0x9a0
[ 532.116786][ T29] ? __kasan_check_read+0x11/0x20
[ 532.121895][ T29] netif_set_real_num_tx_queues+0x4c9/0x7f0
[ 532.128004][ T29] veth_newlink+0x874/0xbe0
[ 532.132538][ T29] ? __cfi_veth_newlink+0x10/0x10
[ 532.137649][ T29] ? rtnl_create_link+0x88d/0xb10
[ 532.142696][ T29] ? __cfi_veth_newlink+0x10/0x10
[ 533.096886][ T29] rtnl_newlink+0x14b9/0x2030
[ 533.101777][ T29] ? memcpy+0x56/0x70
[ 533.105796][ T29] ? __cfi_rtnl_newlink+0x10/0x10
[ 533.110936][ T29] ? selinux_capable+0x29c/0x380
[ 533.115905][ T29] ? __cfi_selinux_capable+0x10/0x10
[ 533.121262][ T29] ? prep_compound_page+0x1cb/0x4a0
[ 533.126490][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 533.131443][ T29] ? ns_capable+0x8c/0xf0
[ 533.135790][ T29] ? netlink_net_capable+0x125/0x160
[ 533.141107][ T29] ? __cfi_rtnl_newlink+0x10/0x10
[ 533.146198][ T29] rtnetlink_rcv_msg+0x9f4/0xcf0
[ 534.097178][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10
[ 534.102788][ T29] ? kernel_text_address+0xa0/0xd0
[ 534.107950][ T29] ? __kernel_text_address+0xd/0x30
[ 534.113249][ T29] ? unwind_get_return_address+0x4d/0x90
[ 534.119022][ T29] ? memcpy+0x56/0x70
[ 534.123057][ T29] ? avc_has_perm_noaudit+0x2f4/0x460
[ 534.128478][ T29] ? __cfi_avc_has_perm_noaudit+0x10/0x10
[ 534.134213][ T29] ? avc_has_perm+0x158/0x240
[ 534.138945][ T29] ? __alloc_skb+0x236/0x4b0
[ 534.143557][ T29] ? netlink_sendmsg+0x626/0xbc0
[ 535.098750][ T29] ? __cfi_avc_has_perm+0x10/0x10
[ 535.103839][ T29] ? selinux_nlmsg_lookup+0x400/0x4c0
[ 535.109439][ T29] netlink_rcv_skb+0x1f2/0x440
[ 535.114227][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10
[ 535.119780][ T29] ? __cfi_netlink_rcv_skb+0x10/0x10
[ 535.125082][ T29] ? __netlink_lookup+0x387/0x3b0
[ 535.130247][ T29] rtnetlink_rcv+0x1c/0x20
[ 535.134743][ T29] netlink_unicast+0x8ab/0xa30
[ 535.139560][ T29] netlink_sendmsg+0x8aa/0xbc0
[ 535.144327][ T29] ? kasan_save_alloc_info+0x25/0x30
[ 536.096894][ T29] ? __cfi_netlink_sendmsg+0x10/0x10
[ 536.102241][ T29] ? security_socket_sendmsg+0x93/0xb0
[ 536.107741][ T29] __sys_sendto+0x464/0x5e0
[ 536.112275][ T29] ? __cfi___sys_sendto+0x10/0x10
[ 536.117409][ T29] ? errseq_sample+0x44/0x70
[ 536.122057][ T29] ? __this_cpu_preempt_check+0x13/0x20
[ 536.127632][ T29] ? xfd_validate_state+0x70/0x150
[ 536.132785][ T29] __x64_sys_sendto+0xe5/0x100
[ 536.137585][ T29] x64_sys_call+0x83/0x9a0
[ 536.142019][ T29] do_syscall_64+0x4c/0xa0
[ 536.146432][ T29] ? clear_bhb_loop+0x30/0x80
[ 537.107367][ T29] ? clear_bhb_loop+0x30/0x80
[ 537.112136][ T29] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 537.118169][ T29] RIP: 0033:0x7ff8b6791583
[ 537.122603][ T29] RSP: 002b:00007fffc2c87638 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 537.131083][ T29] RAX: ffffffffffffffda RBX: 00007ff8b7514620 RCX: 00007ff8b6791583
[ 537.139127][ T29] RDX: 000000000000002c RSI: 00007ff8b7514670 RDI: 0000000000000003
[ 538.097025][ T29] RBP: 0000000000000001 R08: 00007fffc2c87654 R09: 000000000000000c
[ 538.105107][ T29] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[ 538.113174][ T29] R13: 0000000000000000 R14: 00007ff8b7514670 R15: 0000000000000000
[ 538.121213][ T29]
[ 538.124330][ T29] INFO: task syz-executor:399 blocked for more than 149 seconds.
[ 538.132107][ T29] Not tainted syzkaller #0
[ 538.137172][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 538.145839][ T29] task:syz-executor state:D stack:28304 pid:399 ppid:1 flags:0x00004004
[ 539.107403][ T29] Call Trace:
[ 539.110778][ T29]
[ 539.113724][ T29] __schedule+0xb87/0x14e0
[ 539.118212][ T29] ? __sched_text_start+0x8/0x8
[ 539.123121][ T29] ? __mutex_add_waiter+0xc7/0x270
[ 539.128510][ T29] ? __kasan_check_write+0x14/0x20
[ 539.133641][ T29] ? trace_contention_begin+0xa0/0xa0
[ 539.139096][ T29] schedule+0xbd/0x170
[ 539.143184][ T29] schedule_preempt_disabled+0x13/0x20
[ 540.096937][ T29] __mutex_lock+0x74a/0x16d0
[ 540.101584][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 540.108428][ T29] ? selinux_capable+0x29c/0x380
[ 540.113484][ T29] ? __cfi_selinux_capable+0x10/0x10
[ 540.118825][ T29] ? kvm_sched_clock_read+0x18/0x40
[ 540.124131][ T29] ? __reset_page_owner+0x190/0x190
[ 540.129377][ T29] ? cap_capable+0x1aa/0x230
[ 540.133985][ T29] __mutex_lock_slowpath+0xe/0x10
[ 540.139064][ T29] mutex_lock+0xf8/0x1a0
[ 540.143352][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 541.098014][ T29] ? ns_capable+0x8c/0xf0
[ 541.102402][ T29] ? netlink_net_capable+0x125/0x160
[ 541.107988][ T29] rtnetlink_rcv_msg+0x8c6/0xcf0
[ 541.113154][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10
[ 541.118681][ T29] ? kernel_text_address+0xa0/0xd0
[ 541.123795][ T29] ? __kernel_text_address+0xd/0x30
[ 541.129082][ T29] ? unwind_get_return_address+0x4d/0x90
[ 541.134823][ T29] ? memcpy+0x56/0x70
[ 541.138825][ T29] ? avc_has_perm_noaudit+0x2f4/0x460
[ 541.144220][ T29] ? __cfi_avc_has_perm_noaudit+0x10/0x10
[ 542.097478][ T29] ? slab_post_alloc_hook+0x4f/0x2d0
[ 542.102827][ T29] ? kmem_cache_alloc_node+0x181/0x340
[ 542.108376][ T29] ? __alloc_skb+0xea/0x4b0
[ 542.112952][ T29] ? avc_has_perm+0x158/0x240
[ 542.117692][ T29] ? __alloc_skb+0x236/0x4b0
[ 542.122330][ T29] ? netlink_sendmsg+0x626/0xbc0
[ 542.127309][ T29] ? __cfi_avc_has_perm+0x10/0x10
[ 542.132371][ T29] ? selinux_nlmsg_lookup+0x400/0x4c0
[ 542.137851][ T29] netlink_rcv_skb+0x1f2/0x440
[ 542.142687][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10
[ 543.097341][ T29] ? __cfi_netlink_rcv_skb+0x10/0x10
[ 543.102742][ T29] ? __netlink_lookup+0x387/0x3b0
[ 543.107861][ T29] rtnetlink_rcv+0x1c/0x20
[ 543.112299][ T29] netlink_unicast+0x8ab/0xa30
[ 543.117133][ T29] netlink_sendmsg+0x8aa/0xbc0
[ 543.121918][ T29] ? __cfi_netlink_sendmsg+0x10/0x10
[ 543.127271][ T29] ? security_socket_sendmsg+0x93/0xb0
[ 543.132767][ T29] __sys_sendto+0x464/0x5e0
[ 543.137365][ T29] ? __cfi___sys_sendto+0x10/0x10
[ 543.142421][ T29] ? do_user_addr_fault+0x9ac/0x1050
[ 544.097056][ T29] __x64_sys_sendto+0xe5/0x100
[ 544.101889][ T29] x64_sys_call+0x83/0x9a0
[ 544.106330][ T29] do_syscall_64+0x4c/0xa0
[ 544.110920][ T29] ? clear_bhb_loop+0x30/0x80
[ 544.115688][ T29] ? clear_bhb_loop+0x30/0x80
[ 544.120416][ T29] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 544.126336][ T29] RIP: 0033:0x7fee76b91583
[ 544.130824][ T29] RSP: 002b:00007ffe10af7828 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 544.139375][ T29] RAX: ffffffffffffffda RBX: 00007fee77914620 RCX: 00007fee76b91583
[ 545.098216][ T29] RDX: 0000000000000028 RSI: 00007fee77914670 RDI: 0000000000000003
[ 545.106253][ T29] RBP: 0000000000000001 R08: 00007ffe10af7844 R09: 000000000000000c
[ 545.114309][ T29] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[ 545.122481][ T29] R13: 0000000000000000 R14: 00007fee77914670 R15: 0000000000000000
[ 545.130625][ T29]
[ 545.133715][ T29] NMI backtrace for cpu 1
[ 545.138043][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[ 545.145230][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 545.155370][ T29] Call Trace:
[ 545.158834][ T29]
[ 545.161795][ T29] __dump_stack+0x21/0x24
[ 545.166151][ T29] dump_stack_lvl+0xee/0x150
[ 545.170753][ T29] ? __cfi_dump_stack_lvl+0x8/0x8
[ 545.175792][ T29] dump_stack+0x15/0x24
[ 545.179965][ T29] nmi_cpu_backtrace+0x2b4/0x2c0
[ 545.184919][ T29] ? rcu_read_unlock_special+0xab/0x480
[ 545.190489][ T29] ? __cfi_nmi_cpu_backtrace+0x10/0x10
[ 545.195965][ T29] ? __rcu_read_unlock+0xa0/0xa0
[ 545.200924][ T29] ? memcpy+0x56/0x70
[ 545.204923][ T29] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10
[ 545.210916][ T29] nmi_trigger_cpumask_backtrace+0x16b/0x3a0
[ 545.216915][ T29] arch_trigger_cpumask_backtrace+0x10/0x20
[ 545.222822][ T29] watchdog+0xd44/0xe80
[ 545.227000][ T29] ? __cfi_watchdog+0x10/0x10
[ 545.231700][ T29] ? __kasan_check_read+0x11/0x20
[ 545.236748][ T29] ? __kthread_parkme+0x142/0x180
[ 545.242222][ T29] kthread+0x281/0x320
[ 545.246307][ T29] ? __cfi_watchdog+0x10/0x10
[ 545.251019][ T29] ? __cfi_kthread+0x10/0x10
[ 545.255620][ T29] ret_from_fork+0x1f/0x30
[ 545.260059][ T29]
[ 545.263148][ T29] Sending NMI from CPU 1 to CPUs 0:
[ 545.268376][ C0] NMI backtrace for cpu 0
[ 545.268386][ C0] CPU: 0 PID: 375 Comm: syz.2.17 Not tainted syzkaller #0
[ 545.268402][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 545.268411][ C0] RIP: 0010:__ext4_journal_get_write_access+0x166/0x6c0
[ 545.268434][ C0] Code: c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 a2 8d d2 ff 4d 8b 36 48 81 c3 d0 00 00 00 4d 8d be 58 07 00 00 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 67 04 00 00 41 8b 37 48 89 df e8 b2 ab
[ 545.268448][ C0] RSP: 0018:ffffc9000373f0a0 EFLAGS: 00000a06
[ 545.268463][ C0] RAX: 1ffff11022a21ceb RBX: ffff88810b72d1a0 RCX: ffff888114518000
[ 545.268476][ C0] RDX: 0000000000000000 RSI: 00000000000007e3 RDI: ffffffff864552b6
[ 545.268487][ C0] RBP: ffffc9000373f170 R08: ffff88810c3b52a0 R09: 0000000000000001
[ 545.268499][ C0] R10: ffffed1021876a0d R11: 1ffff11021876a0c R12: ffff888115098000
[ 545.268511][ C0] R13: dffffc0000000000 R14: ffff88811510e000 R15: ffff88811510e758
[ 545.268524][ C0] FS: 000055555d6de500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 545.268538][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 545.268550][ C0] CR2: 000000c006ff5010 CR3: 000000012d1a1000 CR4: 00000000003506b0
[ 545.268564][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 545.268574][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 545.268584][ C0] Call Trace:
[ 545.268589][ C0]
[ 545.268595][ C0] ? __cfi___ext4_journal_get_write_access+0x10/0x10
[ 545.268613][ C0] ? ext4_dirty_inode+0xd1/0x100
[ 545.268635][ C0] ? __cfi_ext4_dirty_inode+0x10/0x10
[ 545.268657][ C0] ? __mark_inode_dirty+0x26a/0x9d0
[ 545.268676][ C0] ext4_xattr_block_set+0x16b1/0x3270
[ 545.268704][ C0] ? ext4_xattr_block_find+0x310/0x310
[ 545.268727][ C0] ? ext4_xattr_block_find+0xf0/0x310
[ 545.268750][ C0] ext4_xattr_set_handle+0xbd5/0x12b0
[ 545.268775][ C0] ? __cfi_ext4_xattr_set_handle+0x10/0x10
[ 545.268796][ C0] ? selinux_inode_init_security+0x67d/0x950
[ 545.268816][ C0] ? __cfi_selinux_inode_init_security+0x10/0x10
[ 545.268834][ C0] ext4_initxattrs+0xa6/0x110
[ 545.268851][ C0] security_inode_init_security+0x28c/0x3a0
[ 545.268869][ C0] ? posix_acl_create+0x118/0x440
[ 545.268890][ C0] ? __cfi_ext4_initxattrs+0x10/0x10
[ 545.268907][ C0] ? __cfi_security_inode_init_security+0x10/0x10
[ 545.268926][ C0] ? dquot_alloc_inode+0x1d3/0x810
[ 545.268946][ C0] ? __cfi_inode_set_flags+0x10/0x10
[ 545.268968][ C0] ? __cfi_ext4_init_acl+0x10/0x10
[ 545.268985][ C0] ? _raw_spin_unlock+0x4c/0x70
[ 545.269004][ C0] ext4_init_security+0x34/0x40
[ 545.269020][ C0] __ext4_new_inode+0x2c29/0x3640
[ 545.269048][ C0] ? __cfi___ext4_new_inode+0x10/0x10
[ 545.269071][ C0] ? dquot_initialize+0x20/0x20
[ 545.269092][ C0] ? ext4_lookup+0x2ce/0x6d0
[ 545.269113][ C0] ext4_create+0x22a/0x460
[ 545.269137][ C0] ? __cfi_ext4_create+0x10/0x10
[ 545.269159][ C0] ? selinux_inode_create+0x22/0x30
[ 545.269175][ C0] ? security_inode_create+0xd2/0x120
[ 545.269192][ C0] ? __cfi_ext4_create+0x10/0x10
[ 545.269213][ C0] path_openat+0x11e3/0x2f50
[ 545.269237][ C0] ? do_filp_open+0x3c0/0x3c0
[ 545.269257][ C0] do_filp_open+0x1c1/0x3c0
[ 545.269275][ C0] ? __cfi_do_filp_open+0x10/0x10
[ 545.269297][ C0] ? alloc_fd+0x4e6/0x590
[ 545.269313][ C0] do_sys_openat2+0x185/0x7e0
[ 545.269333][ C0] ? __se_sys_futex+0x273/0x2e0
[ 545.269349][ C0] ? do_sys_open+0xe0/0xe0
[ 545.269375][ C0] ? __x64_sys_futex+0x100/0x100
[ 545.269390][ C0] ? do_user_addr_fault+0xd36/0x1050
[ 545.269414][ C0] __x64_sys_creat+0x8e/0xb0
[ 545.269436][ C0] x64_sys_call+0x116/0x9a0
[ 545.269455][ C0] do_syscall_64+0x4c/0xa0
[ 545.269472][ C0] ? clear_bhb_loop+0x30/0x80
[ 545.269495][ C0] ? clear_bhb_loop+0x30/0x80
[ 545.269518][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 545.269540][ C0] RIP: 0033:0x7f5b70b8f749
[ 545.269553][ C0] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 545.269566][ C0] RSP: 002b:00007fffbd643308 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
[ 545.269581][ C0] RAX: ffffffffffffffda RBX: 00007f5b70de5fa0 RCX: 00007f5b70b8f749
[ 545.269593][ C0] RDX: 0000000000000000 RSI: 0000000000000182 RDI: 0000200000000000
[ 545.269603][ C0] RBP: 00007f5b70c13f91 R08: 0000000000000000 R09: 0000000000000000
[ 545.269613][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 545.269623][ C0] R13: 00007f5b70de5fa0 R14: 00007f5b70de5fa0 R15: 0000000000000002
[ 545.269636][ C0]
[ 567.096789][ T29] INFO: task kworker/u4:2:43 blocked for more than 241 seconds.
[ 567.104475][ T29] Not tainted syzkaller #0
[ 567.109830][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 567.118591][ T29] task:kworker/u4:2 state:D stack:21472 pid:43 ppid:2 flags:0x00004000
[ 567.127898][ T29] Workqueue: events_unbound linkwatch_event
[ 567.133825][ T29] Call Trace:
[ 567.137137][ T29]
[ 567.140115][ T29] __schedule+0xb87/0x14e0
[ 567.144942][ T29] ? __sched_text_start+0x8/0x8
[ 568.097181][ T29] ? __mutex_add_waiter+0x17b/0x270
[ 568.102449][ T29] ? __kasan_check_write+0x14/0x20
[ 568.107621][ T29] ? kthread_data+0x50/0xc0
[ 568.112134][ T29] ? wq_worker_sleeping+0x64/0x280
[ 568.117273][ T29] schedule+0xbd/0x170
[ 568.121359][ T29] schedule_preempt_disabled+0x13/0x20
[ 568.126956][ T29] __mutex_lock+0x74a/0x16d0
[ 568.131573][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 568.138369][ T29] ? __kasan_check_write+0x14/0x20
[ 568.143497][ T29] ? __switch_to+0x51f/0xe30
[ 569.097973][ T29] ? __cfi___switch_to+0x10/0x10
[ 569.102973][ T29] ? _raw_spin_unlock+0x4c/0x70
[ 569.108167][ T29] __mutex_lock_slowpath+0xe/0x10
[ 569.113385][ T29] mutex_lock+0xf8/0x1a0
[ 569.117710][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 569.122582][ T29] ? __schedule+0xb8f/0x14e0
[ 569.127247][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 569.132823][ T29] rtnl_lock+0x15/0x20
[ 569.136933][ T29] linkwatch_event+0xe/0x60
[ 569.141461][ T29] process_one_work+0x71f/0xc40
[ 569.146488][ T29] worker_thread+0xa29/0x11f0
[ 570.096901][ T29] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 570.102433][ T29] kthread+0x281/0x320
[ 570.106528][ T29] ? __cfi_worker_thread+0x10/0x10
[ 570.111686][ T29] ? __cfi_kthread+0x10/0x10
[ 570.116354][ T29] ret_from_fork+0x1f/0x30
[ 570.120855][ T29]
[ 570.123990][ T29] INFO: task kworker/0:2:320 blocked for more than 181 seconds.
[ 570.131649][ T29] Not tainted syzkaller #0
[ 570.136589][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 570.145303][ T29] task:kworker/0:2 state:D stack:23840 pid:320 ppid:2 flags:0x00004000
[ 571.096973][ T29] Workqueue: ipv6_addrconf addrconf_verify_work
[ 571.103282][ T29] Call Trace:
[ 571.106578][ T29]
[ 571.109827][ T29] __schedule+0xb87/0x14e0
[ 571.114388][ T29] ? __sched_text_start+0x8/0x8
[ 571.119329][ T29] ? _raw_spin_unlock_irq+0x60/0x70
[ 571.124655][ T29] ? wq_worker_sleeping+0x1d9/0x280
[ 571.129993][ T29] schedule+0xbd/0x170
[ 571.134086][ T29] schedule_preempt_disabled+0x13/0x20
[ 571.139704][ T29] __mutex_lock+0x74a/0x16d0
[ 571.144326][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 572.106839][ T29] ? __kasan_check_write+0x14/0x20
[ 572.112072][ T29] ? __switch_to+0x51f/0xe30
[ 572.116724][ T29] ? __cfi___switch_to+0x10/0x10
[ 572.121728][ T29] ? _raw_spin_unlock+0x4c/0x70
[ 572.126728][ T29] __mutex_lock_slowpath+0xe/0x10
[ 572.131935][ T29] mutex_lock+0xf8/0x1a0
[ 572.136214][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 572.141125][ T29] ? __schedule+0xb8f/0x14e0
[ 572.145730][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 573.097502][ T29] rtnl_lock+0x15/0x20
[ 573.101625][ T29] addrconf_verify_work+0x19/0x30
[ 573.106665][ T29] process_one_work+0x71f/0xc40
[ 573.112028][ T29] worker_thread+0xa29/0x11f0
[ 573.116801][ T29] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 573.122481][ T29] ? __kthread_parkme+0x142/0x180
[ 573.127662][ T29] kthread+0x281/0x320
[ 573.131798][ T29] ? __cfi_worker_thread+0x10/0x10
[ 573.136958][ T29] ? __cfi_kthread+0x10/0x10
[ 573.141547][ T29] ret_from_fork+0x1f/0x30
[ 573.145962][ T29]
[ 574.097150][ T29] NMI backtrace for cpu 0
[ 574.101512][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[ 574.108717][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 574.118807][ T29] Call Trace:
[ 574.122081][ T29]
[ 574.125004][ T29] __dump_stack+0x21/0x24
[ 574.129333][ T29] dump_stack_lvl+0xee/0x150
[ 574.134007][ T29] ? __cfi_dump_stack_lvl+0x8/0x8
[ 574.139050][ T29] dump_stack+0x15/0x24
[ 574.143215][ T29] nmi_cpu_backtrace+0x2b4/0x2c0
[ 574.148178][ T29] ? rcu_read_unlock_special+0xab/0x480
[ 574.153729][ T29] ? __cfi_nmi_cpu_backtrace+0x10/0x10
[ 574.159212][ T29] ? __rcu_read_unlock+0xa0/0xa0
[ 574.164250][ T29] ? memcpy+0x56/0x70
[ 574.168221][ T29] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10
[ 574.174207][ T29] nmi_trigger_cpumask_backtrace+0x16b/0x3a0
[ 574.180196][ T29] arch_trigger_cpumask_backtrace+0x10/0x20
[ 574.186085][ T29] watchdog+0xd44/0xe80
[ 574.190251][ T29] ? __cfi_watchdog+0x10/0x10
[ 574.194932][ T29] ? __kasan_check_read+0x11/0x20
[ 574.199945][ T29] ? __kthread_parkme+0x142/0x180
[ 574.204972][ T29] kthread+0x281/0x320
[ 574.209072][ T29] ? __cfi_watchdog+0x10/0x10
[ 574.213756][ T29] ? __cfi_kthread+0x10/0x10
[ 574.218347][ T29] ret_from_fork+0x1f/0x30
[ 574.222774][ T29]
[ 574.225902][ T29] Sending NMI from CPU 0 to CPUs 1:
[ 574.231146][ C1] NMI backtrace for cpu 1
[ 574.231156][ C1] CPU: 1 PID: 391 Comm: syz.3.18 Not tainted syzkaller #0
[ 574.231173][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 574.231183][ C1] RIP: 0010:preempt_count_sub+0x20/0x170
[ 574.231285][ C1] Code: 90 90 90 90 90 b8 ac 0c 9c 01 55 48 89 e5 41 56 53 48 bb 00 00 00 00 00 fc ff df 48 c7 c0 20 21 97 87 48 c1 e8 03 0f b6 04 18 <84> c0 0f 85 c2 00 00 00 83 3d 71 67 4b 06 00 75 25 65 8b 05 10 b4
[ 574.231299][ C1] RSP: 0018:ffffc9000375ef18 EFLAGS: 00000a06
[ 574.231314][ C1] RAX: 0000000000000004 RBX: dffffc0000000000 RCX: dffffc0000000000
[ 574.231326][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
[ 574.231335][ C1] RBP: ffffc9000375ef28 R08: dffffc0000000000 R09: ffffed1022d2cbca
[ 574.231348][ C1] R10: ffffed1022d2cbca R11: 1ffff11022d2cbc9 R12: ffff888116965ce8
[ 574.231360][ C1] R13: ffff88810c3d1370 R14: ffff888116965fb0 R15: 0000000000000000
[ 574.231372][ C1] FS: 0000555575fc4500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 574.231386][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 574.231397][ C1] CR2: 00007f5584b15000 CR3: 000000012dfb8000 CR4: 00000000003506a0
[ 574.231412][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 574.231421][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 574.231431][ C1] Call Trace:
[ 574.231436][ C1]
[ 574.231442][ C1] _raw_spin_unlock+0x4c/0x70
[ 574.231461][ C1] ext4_mark_iloc_dirty+0x57f/0x1930
[ 574.231484][ C1] ? __cfi___ext4_journal_get_write_access+0x10/0x10
[ 574.231504][ C1] ? ext4_reserve_inode_write+0x240/0x2e0
[ 574.231527][ C1] __ext4_mark_inode_dirty+0x423/0x600
[ 574.231547][ C1] ext4_dirty_inode+0xbd/0x100
[ 574.231568][ C1] ? __cfi_ext4_dirty_inode+0x10/0x10
[ 574.231589][ C1] __mark_inode_dirty+0x203/0x9d0
[ 574.231608][ C1] ext4_xattr_block_set+0x167d/0x3270
[ 574.231637][ C1] ? ext4_xattr_block_find+0x310/0x310
[ 574.231660][ C1] ? ext4_xattr_block_find+0xf0/0x310
[ 574.231682][ C1] ext4_xattr_set_handle+0xbd5/0x12b0
[ 574.231707][ C1] ? __cfi_ext4_xattr_set_handle+0x10/0x10
[ 574.231729][ C1] ? selinux_inode_init_security+0x67d/0x950
[ 574.231748][ C1] ? __cfi_selinux_inode_init_security+0x10/0x10
[ 574.231767][ C1] ext4_initxattrs+0xa6/0x110
[ 574.231785][ C1] security_inode_init_security+0x28c/0x3a0
[ 574.231803][ C1] ? posix_acl_create+0x118/0x440
[ 574.231824][ C1] ? __cfi_ext4_initxattrs+0x10/0x10
[ 574.231841][ C1] ? __cfi_security_inode_init_security+0x10/0x10
[ 574.231860][ C1] ? dquot_alloc_inode+0x1d3/0x810
[ 574.231881][ C1] ? __cfi_inode_set_flags+0x10/0x10
[ 574.231902][ C1] ? __cfi_ext4_init_acl+0x10/0x10
[ 574.231919][ C1] ? _raw_spin_unlock+0x4c/0x70
[ 574.231937][ C1] ext4_init_security+0x34/0x40
[ 574.231954][ C1] __ext4_new_inode+0x2c29/0x3640
[ 574.231982][ C1] ? __cfi___ext4_new_inode+0x10/0x10
[ 574.232005][ C1] ? dquot_initialize+0x20/0x20
[ 574.232032][ C1] ? ext4_lookup+0x2ce/0x6d0
[ 574.232054][ C1] ext4_create+0x22a/0x460
[ 574.232077][ C1] ? __cfi_ext4_create+0x10/0x10
[ 574.232098][ C1] ? selinux_inode_create+0x22/0x30
[ 574.232115][ C1] ? security_inode_create+0xd2/0x120
[ 574.232132][ C1] ? __cfi_ext4_create+0x10/0x10
[ 574.232153][ C1] path_openat+0x11e3/0x2f50
[ 574.232177][ C1] ? do_filp_open+0x3c0/0x3c0
[ 574.232196][ C1] do_filp_open+0x1c1/0x3c0
[ 574.232214][ C1] ? __cfi_do_filp_open+0x10/0x10
[ 574.232235][ C1] ? alloc_fd+0x4e6/0x590
[ 574.232251][ C1] do_sys_openat2+0x185/0x7e0
[ 574.232271][ C1] ? __se_sys_futex+0x273/0x2e0
[ 574.232287][ C1] ? do_sys_open+0xe0/0xe0
[ 574.232307][ C1] ? __x64_sys_futex+0x100/0x100
[ 574.232321][ C1] ? do_user_addr_fault+0xd36/0x1050
[ 574.232345][ C1] __x64_sys_creat+0x8e/0xb0
[ 574.232366][ C1] x64_sys_call+0x116/0x9a0
[ 574.232385][ C1] do_syscall_64+0x4c/0xa0
[ 574.232403][ C1] ? clear_bhb_loop+0x30/0x80
[ 574.232426][ C1] ? clear_bhb_loop+0x30/0x80
[ 574.232449][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 574.232471][ C1] RIP: 0033:0x7f05aad8f749
[ 574.232483][ C1] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 574.232496][ C1] RSP: 002b:00007ffc93c23218 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
[ 574.232512][ C1] RAX: ffffffffffffffda RBX: 00007f05aafe5fa0 RCX: 00007f05aad8f749
[ 574.232523][ C1] RDX: 0000000000000000 RSI: 0000000000000182 RDI: 0000200000000000
[ 574.232533][ C1] RBP: 00007f05aae13f91 R08: 0000000000000000 R09: 0000000000000000
[ 574.232543][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 574.232553][ C1] R13: 00007f05aafe5fa0 R14: 00007f05aafe5fa0 R15: 0000000000000002
[ 574.232566][ C1]